download link: http://transfersend.com/KataQuintano957/Unlock This video tutorial shows you how to unlock any iPhone on iOS4 (4.0/4.0.1 firmware) using Ultrasn0w. This will unlock the iPhone 4, iPhone 3GS, and iPhone 3G on firmware 4.0 and 4.0.1. If you have not already jailbroken your iPhone on 4.0/4.0.1, then you need to use jailbreakme.com to jailbreak your iPhone first. Watch the 4.0/4.0.1 jailbreak video
